Fcc catalysts prepared by in-situ crystallization of zeolite

Details Fcc catalysts prepared by in-situ crystallization of zeolite Fcc catalysts prepared by in-situ crystallization of zeolite

B - Operations, Transporting

01

J

B01J 29/08 (2006.01) B01J 21/16 (2006.01) B01J 37/08 (2006.01) C10G 11/05 (2006.01)

Patent

CA 2524548

A fluid catalytic cracking catalyst is provided with a high porosity by in- situ crystallizing an aluminosilicate zeolite from a reactive microsphere comprising metakaolin and hydrous kaolin. Any calcination of the reactive microsphere before reaction with a zeolite-forming solution is done at low temperatures so as to ensure the hydrous kaolin is not converted to metakaolin.

La présente invention concerne un catalyseur pour craquage catalytique fluide (FCC) qui présente une porosité élevée du fait qu'il est obtenu par cristallisation in situ d'une zéolite aluminosilicate à partir d'une microsphère réactive comportant du métakaolin et du kaolin hydraté. Toute calcination de la microsphère réactive avant la réaction avec une solution formant la zéolite est effectuée à basses températures afin d'assurer que le kaolin hydraté ne soit pas converti en métakaolin.

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